If the selector lever will not move from P using the proper shift procedure, continue to hold down the brake pedal.

Take the vehicle to an Authorized Mazda Dealer to have the system checked.
Shift-Lock System
Manual Shift ModeOil Seal (Differential) Replacement [A26 M R]
1. On level ground, jack up the vehicle and support it evenly on safety stands.
2. Drain the oil from the transaxle..
3. Remove the front tires..
4. Remove the splash shield..
5. Remove the aerodynamic under cover No.2..
6. Separate the drive shaft and joint shaft from the transaxle..
7 ...
Aerodynamic Under Cover No.2 Removal/Installation
Except SKYACTIV-G 2.0
1. Lift up the vehicle.
2. Remove the fasteners and bolts.
3. Move the aerodynamic under cover No.2 in the direction of the arrow shown
in the figure and remove it.
CAUTION:
Be careful not to damage the aerodynamic under cover No.2 during removal.
4. ...
Decoration Panel Removal/Installation
1. Remove the following parts:
a. Passenger-side front scuff plate.
b. Passenger-side front side trim.
c. Glove compartment.
d. Passenger-side lower panel.
2. Remove the screw.
3. Pull the decoration panel in the direction of the arrow (1), (2) shown in
the figure, while remove the hoo ...